David Dimbleby is an English journalist and former presenter of current affairs and political programmes, best known for having presented the BBC topical debate programme Question Time. He is the son of broadcaster Richard Dimbleby and elder brother of Jonathan Dimbleby, of the Dimbleby family. Long involved in the coverage of national events, Dimbleby hosted the BBC Election Night coverage from 1979 to 2017, as well as United States presidential elections on the BBC until 2016. He has also presented and narrated documentary series on architecture and history.

Question Time is a topical debate programme, typically broadcast on BBC One at 10:45 pm on Thursdays. It is usually repeated on BBC Two and on BBC Parliament later in the week. If there is a Leaders special, it would be broadcast simultaneously on BBC News. Question Time is also available on BBC iPlayer. Fiona Bruce currently chairs the show having succeeded David Dimbleby as presenter in January 2019.